package com.push.common.manager;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @类名 BeanManager
 * @描述 TODO
 * @作者 wang yanxi
 * @版本 1.0
 * @日期 2021-11-26 16:00
 */
@Component
public class BeanManager implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    @SuppressWarnings("static-access")
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(BeanManager.applicationContext == null){
            BeanManager.applicationContext  = applicationContext;
        }
        System.out.println("---------------BeanManager-----------------");
        System.out.println("========ApplicationContext配置成功=======");
    }
    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }
    //通过name获取 Bean.
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }
    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }

    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name) {
        return applicationContext.isSingleton(name);
    }

    public static Class<? extends Object> getType(String name) {
        return applicationContext.getType(name);
    }
}
